Granted Patent
Utility
US 5,951,990 · App. 08/853,271
Ascorbyl-phosphoryl-cholesterol
Inventor:
Dmitri Ptchelintsev
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: May 9, 1997
Inventor
Dmitri Ptchelintsev
Assignee (at issue)
Avon Products, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.